RCA, Made in USA.
Matched Pair RCA Radiotron 6L6G Vacuum Tubes Amplitrex Tested NOS #1
6P15Pev EL84 Vacuum tubes NOS USSR BOXED Matched PAIR Fully Tested UK Seller!
M8100 6AK5 CV4102 MULLARD SPECIAL GOLD PIN MATCHED PAIR VALVE/TUBE
Matched Pair Brimar Foreign GZ32 CV593 Rectifier Valves NOS
6L6G TUNG-SOL RE-ISSUE MATCHED PAIR NEW BOXED VALVE TUBE
EL34 MARSHALL ORIGINAL SPARE VALVE TUBE MATCHED PAIR (2PCS)
